Home / 30,588,801.12-42,213,581.53-16,650,664.66

Finding the Fourth Proportional to 30,588,801.12, 42,213,581.53 and 16,650,664.66

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Solution

The fourth proportional to 30,588,801.12, 42,213,581.53 and 16,650,664.66 is: 22,978,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588,801.12 : 42,213,581.53 = 16,650,664.66 : x
  2. Step 2: Convert to fraction form
    30,588,801.12/42,213,581.53 = 16,650,664.66/x
  3. Step 3: Cross multiply
    30,588,801.12x = 42,213,581.53 × 16,650,664.66
  4. Step 4: Simplify right side
    30,588,801.12x = 702,884,190,164,740.12
  5. Step 5: Solve for x
    x = 702,884,190,164,740.12/30,588,801.12
  6. Step 6: Final answer
    x = 22,978,481.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.